6.V 



NEW VORK STATE MLSEU.M 



aciculatc unicellular hairs." He has recoriled the species from Wilminirton 



111. \.S\r pi. I, fiu-. 1 4] 



Ash midrib gall 



Cccidomyia pcllcx Osten .Sacken. 



A peculiar, elongated, greenish or reddish brown gall wrapjiing itself about the 

 midrib ami inclosing whitish, footless larvae, is the work of this species. 



Fig. ifig Asli iindrib s.al, C c ( i .1 n in y i a p e 1 1 c x (.irii;iiKa) 



This insect is somewhat common in the Hudson river valley, having 

 been observed -in the neii^diborhood of South Durham by Mr O. O. Flint 

 and found in nmnbers at Pouo'hkeepsie i>\- Mr Youno;. It also occurs about 

 Albany, the galls being nearly full grown the latter part of May or early in 

 June. 



